The Shire of Shark Bay is a local government area of Western Australia in the Gascoyne region. It has an area of 25,423 km² and a population of about 950. It is made up of two peninsulas, located at the westernmost point of Australia. There is one town in the Shire of Shark Bay, Denham, which is the administrative centre for the Shire. There are also a number of small communities; they are Useless Loop (a now-closed mining site), Monkey Mia (a popular resort where dolphins come in), Nanga and Hamelin Pool. The Overlander and The Billabong are roadhouses.